usr/src/uts/common/sys/vuid_state.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1985,1997-1998 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 /*
  28  * This file describes a virtual user input device (vuid) state
  29  * maintainence package (see ../sundev/vuid_event.h for a description
  30  * of what vuid is).  This header file defines the interface that a
  31  * client of this package sees.  This package is used to maintain the
  32  * state of all the events generated by an arbitrary number of physical
  33  * devices which are all producing Firm_events.
  34  */
  35
  36 #ifndef _SYS_VUID_STATE_H
  37 #define _SYS_VUID_STATE_H
  38
  39 #ifdef  __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 typedef caddr_t Vuid_state;
  44 #define VUID_STATE_NULL ((Vuid_state)0)
  45
  46 void    vuid_set_value();       /* (Vuid_state *state, Firm_event *event) */
  47                                 /* Don't call in critical section or */
  48                                 /* at interrupt level */
  49 int     vuid_get_value();       /* (Vuid_state state, ushort_t id) */
  50 void    vuid_destroy_state();   /* (Vuid_state state) Don't call in critical */
  51                                 /* section or at interrupt level */
  52 Vuid_state vuid_copy_state();   /* (Vuid_state state) Don't call in critical */
  53                                 /* section or at interrupt level */
  54
  55 #ifdef  __cplusplus
  56 }
  57 #endif
  58
  59 #endif  /* _SYS_VUID_STATE_H */